Home / 66,361.26-91,576.83-36,145.74

Finding the Fourth Proportional to 66,361.26, 91,576.83 and 36,145.74

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Solution

The fourth proportional to 66,361.26, 91,576.83 and 36,145.74 is: 49,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,361.26 : 91,576.83 = 36,145.74 : x
  2. Step 2: Convert to fraction form
    66,361.26/91,576.83 = 36,145.74/x
  3. Step 3: Cross multiply
    66,361.26x = 91,576.83 × 36,145.74
  4. Step 4: Simplify right side
    66,361.26x = 3,310,112,287.20
  5. Step 5: Solve for x
    x = 3,310,112,287.20/66,361.26
  6. Step 6: Final answer
    x = 49,880.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.